CN220565250U - Assembled open cut tunnel top backfill protection structure - Google Patents
Assembled open cut tunnel top backfill protection structure Download PDFInfo
- Publication number
- CN220565250U CN220565250U CN202322230391.3U CN202322230391U CN220565250U CN 220565250 U CN220565250 U CN 220565250U CN 202322230391 U CN202322230391 U CN 202322230391U CN 220565250 U CN220565250 U CN 220565250U
- Authority
- CN
- China
- Prior art keywords
- open cut
- backfill
- cut tunnel
- rubble
- protection structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002689 soil Substances 0.000 claims abstract description 43
- 239000011440 grout Substances 0.000 claims abstract description 11
- 239000004575 stone Substances 0.000 claims description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims 4
- 230000001681 protective effect Effects 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/254—Roof garden systems; Roof coverings with high solar reflectance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/32—Roof garden systems
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model provides an assembled open cut tunnel roof backfill protection structure, which relates to the technical field of building construction and comprises a grouted rubble, wherein the grouted rubble is arranged on the top surface of plain fill, the grouted rubble is arranged along a preset gradient, and the surface of the grouted rubble is arranged in a step shape; the slope protection is arranged on the step surface of the grout rubble, the slope protection consists of a support and a soil retaining plate, the support is L-shaped, the long end of the L-shape of the support is arranged on the step surface of the grout rubble, and the short end of the L-shape of the support is embedded with the soil retaining plate; the planting soil is used for filling the space formed by the serosity rubble and the slope protection enclosure. According to the utility model, the backfill body is self-stabilized and the temporary slope is stabilized by using the backfill slurry rubble material, the steep slope protection problem is met by arranging the steps, the planting soil filling space is formed on the top surface of the slurry rubble backfill body, and the effect of beautifying the environment is achieved by filling the planting soil and planting plants.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an assembled open cut tunnel top backfill protection structure.
Background
At present, open cut tunnel roof backfill generally adopts a backfill soil mode, grass planting, framework slope protection and other slope protection are carried out on the surface of a backfill soil body, when the length of the open cut tunnel is short and the slope surface of a temporary upward slope is high, the problems that the backfill soil slope is steep and is difficult to stabilize can occur, the stable protection effect on the temporary excavation surface can not be exerted, and effective greening is difficult to carry out when the slope surface of the backfill soil body is steep, so that a good landscape effect can not be obtained.
Disclosure of Invention
The utility model aims to provide an assembled open cut tunnel roof backfill protection structure so as to solve the problems. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
in a first aspect, the present application provides an assembled open cut tunnel roof backfill protection structure, including:
the method comprises the steps that a slurry masonry is arranged on the top surface of plain fill, the slurry masonry is arranged along a preset gradient, and the surface of the slurry masonry is arranged in a step shape;
the slope protection is arranged on the step surface of the grout rubble, the slope protection consists of a bracket and a soil retaining plate, the bracket is L-shaped, the L-shaped long end of the bracket is arranged on the step surface of the grout rubble, and the L-shaped short end of the bracket is embedded with the soil retaining plate;
the planting soil is used for filling the space formed by the serosity rubble and the slope protection enclosure.
Further, the plain fill is arranged at the top of the open cut tunnel, and the top surface of the plain fill is arranged to be a plane parallel to the ground.
Further, the support is composed of a stand column and a bottom beam, one end of the stand column is fixedly connected with one end of the bottom beam, and an included angle between the stand column and the bottom beam is ninety degrees ， The bottom beam is in parallel fit with the step surface, the upright posts are arranged at the edges of the step surface, and one ends of the upright posts, which are far away from the bottom beam, extend towards the vertical upward direction.
Further, the upright posts are of I-shaped sections, and grooves in two sides of the upright posts are used for arranging the soil retaining plates.
Further, the bottom beam is composed of a bottom plate and wedge-shaped rib plates, the bottom plate is fixedly connected with the upright posts, and right-angle included angles of the wedge-shaped rib plates are attached to included angles of the upright posts and the bottom plate.
Further, a preset number of retaining plates are arranged between the brackets.
Further, the support and the soil retaining plate are internally provided with stress steel bars.
Further, the backfill thickness of the plain fill is in the range of 1 m-2 m.
Further, the support and the retaining plate are made of reinforced concrete.
The beneficial effects of the utility model are as follows:
according to the utility model, the backfill body is self-stabilized and the temporary slope is stabilized by using the backfill slurry rubble material, the steep slope protection problem is met by arranging the steps, the planting soil filling space is formed on the top surface of the slurry rubble backfill body, and the effect of beautifying the environment is achieved by filling the planting soil and planting plants.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an assembled open cut tunnel roof backfill protection structure according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an assembled open cut tunnel backfill structure according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a stent according to an embodiment of the present utility model;
fig. 4 is a schematic side view of a bracket according to an embodiment of the present utility model.
The marks in the figure:
1. grouting the rubble; 2. filling soil; 3. slope protection; 4. a bracket; 5. a soil retaining plate; 6. planting soil; 7. a column; 8. a bottom beam; 9. a bottom plate; 10. wedge rib.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present utility model, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1:
referring to fig. 1, this embodiment provides an assembled open cut tunnel top backfill protection structure, including:
the method comprises the steps that 1, the 1 is arranged on the top surface of plain filled soil, 1 is arranged along a preset gradient, and 1 is arranged in a step shape;
the slope protection 3 is arranged on the step surface of the grout rubble 1, the slope protection 3 consists of a bracket 4 and a soil retaining plate 5, the bracket 4 is L-shaped, the long end of the L-shape of the bracket 4 is arranged on the step surface of the grout rubble 1, and the short end of the L-shape of the bracket 4 is embedded with the soil retaining plate 5;
the planting soil 6 is used for filling a space formed by enclosing the serosity rubble 1 and the slope protection 3;
specifically, during open cut tunnel top backfilling construction, firstly, element filling soil 2 is backfilled, the top surface of the element filling soil 2 is filled into a plane, then the surface of the serous masonry sheet stone 1 is built into a step shape, after the integral masonry of the serous masonry sheet stone 1 is completed, prefabricated supports 4 are placed on the steps of the serous masonry sheet stone 1 in a layered mode, proper intervals are kept between every two supports 4 on the same layer according to the length of a retaining plate 5, the retaining plate 5 is inserted into grooves of the supports 4, the supports 4 and the retaining plate 5 are connected into an integral structure, planting soil 6 is filled into a space surrounded by the serous masonry sheet stone 1 and the slope protection 3, and finally plants adapting to local climatic conditions are planted in columns of the planting soil 6, so that the purposes of retaining water and soil and beautifying the environment are achieved.
Further, the plain fill 2 is arranged at the top of the open cut tunnel, and the top surface of the plain fill 2 is arranged as a plane parallel to the ground; the plain filling soil 2 is backfilled from the outer side of the open cut tunnel lining structure and is used for guaranteeing stable arrangement of structures such as the grout stone 1, the slope protection 3 and the like arranged on the upper portion.
Further, the support 4 is composed of a column 7 and a bottom beam 8, one end of the column 7 is fixedly connected with one end of the bottom beam 8, and an included angle between the column 7 and the bottom beam 8 is ninety degrees ， The bottom beam 8 is attached to the step surface in parallel, the upright post 7 is arranged at the edge of the step surface, and one end of the upright post 7 away from the bottom beam 8 extends towards the vertical upward direction; as shown in FIG. 2, the sectional structure of the fabricated open cut tunnel backfill structure is schematically shown in the space enclosed by the bracket 4, the retaining plate 5 and the grout 1Fill in planting soil 6 for support 4 is fixed on the step surface of serositic rubble 1 safely under the gravity of planting soil 6.
Further, the upright posts 7 are of an I-shaped section, and grooves on two sides of the upright posts 7 are used for arranging the soil retaining plates 5; as shown in fig. 3, which is a schematic cross-sectional structure of the bracket 4, the bracket 4 is composed of a vertical column 7 and a bottom beam 8, and the retaining plate 5 is slidably placed in a groove of the vertical column 7.
Further, the bottom beam 8 is composed of a bottom plate 9 and a wedge rib plate 10, the bottom plate 9 is fixedly connected with the upright post 7, and a right angle included angle of the wedge rib plate 10 is attached to an included angle between the upright post 7 and the bottom plate 9; as shown in fig. 4, which is a schematic side view of the bracket 4, the bracket 4 is composed of a column 7, a bottom plate 9 and wedge ribs 10, and the wedge ribs 10 are used for improving the structural stability of the bracket.
Further, a preset number of retaining plates 5 are disposed between the brackets 4, a target number of retaining plates 5 are correspondingly disposed according to the step height of the masonry of the grout stone 1, the accumulated height of the target number of retaining plates 5 is the same as the step height, and four rows of retaining plates 5 are disposed between the same brackets in general, which is not particularly limited.
Further, stress steel bars are arranged in the bracket 4 and the soil retaining plate 5; the bracket 4 and the soil retaining plate 5 jointly bear the load of the planting soil 6.
Further, the backfill thickness of the plain fill 2 is in the range of 1 m-2 m.
Further, the bracket 4 and the soil retaining plate 5 are made of reinforced concrete; the support 4 is prefabricated and formed by reinforced concrete, and the soil retaining plate 5 is a rectangular reinforced concrete prefabricated plate.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (9)
1. An assembled open cut tunnel top backfill protective structure, which is characterized by comprising:
the stone mortar (1), wherein the stone mortar (1) is arranged on the top surface of plain fill (2), the stone mortar (1) is arranged along a preset gradient, and the surface of the stone mortar (1) is arranged in a step shape;
the slope protection device comprises a slope protection device (3), wherein the slope protection device (3) is arranged on a step surface of a grout sheet stone (1), the slope protection device (3) consists of a support (4) and a soil retaining plate (5), the support (4) is L-shaped, the L-shaped long end of the support (4) is arranged on the step surface of the grout sheet stone (1), and the L-shaped short end of the support (4) is embedded with the soil retaining plate (5);
the planting soil (6), the planting soil (6) is used for filling in the space formed by enclosing the serous rubble (1) and the slope protection (3).
2. The fabricated open cut tunnel top backfill protection structure according to claim 1, wherein the plain fill (2) is disposed at the top of the open cut tunnel, and the top surface of the plain fill (2) is disposed as a plane parallel to the ground.
3. The fabricated open cut tunnel roof backfill protection structure according to claim 1, wherein the bracket (4) is composed of a stand column (7) and a bottom beam (8), one end of the stand column (7) is fixedly connected with one end of the bottom beam (8), and an included angle between the stand column (7) and the bottom beam (8) is ninety degrees ， The bottom beam (8) is arranged in parallel with the step surface, the upright posts (7) are arranged at the edges of the step surface, and one ends of the upright posts (7) away from the bottom beam (8) extend towards the vertical upward direction.
4. The fabricated open cut tunnel roof backfill protection structure according to claim 3, wherein the upright posts (7) are of an i-shaped cross section, and grooves on two sides of the upright posts (7) are used for arranging the soil retaining plates (5).
5. The fabricated open cut tunnel roof backfill protection structure according to claim 3, wherein the bottom beam (8) is composed of a bottom plate (9) and a wedge rib plate (10), the bottom plate (9) is fixedly connected with the upright post (7), and a right angle included angle of the wedge rib plate (10) is attached to an included angle between the upright post (7) and the bottom plate (9).
6. The fabricated open cut tunnel roof backfill protection structure according to claim 4, wherein a preset number of retaining plates (5) are arranged between the brackets (4).
7. The fabricated open cut tunnel roof backfill protection structure according to claim 1, wherein stress steel bars are arranged in the support (4) and the soil retaining plate (5).
8. The fabricated open cut tunnel roof backfill protection structure according to claim 2, wherein the backfill thickness of the plain fill (2) is in the range of 1 m-2 m.
9. The fabricated open cut tunnel roof backfill protection structure according to claim 1, wherein the bracket (4) and the retaining plate (5) are made of reinforced concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230391.3U CN220565250U (en) | 2023-08-18 | 2023-08-18 | Assembled open cut tunnel top backfill protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230391.3U CN220565250U (en) | 2023-08-18 | 2023-08-18 | Assembled open cut tunnel top backfill protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220565250U true CN220565250U (en) | 2024-03-08 |
Family
ID=90090137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322230391.3U Active CN220565250U (en) | 2023-08-18 | 2023-08-18 | Assembled open cut tunnel top backfill protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220565250U (en) |
-
2023
- 2023-08-18 CN CN202322230391.3U patent/CN220565250U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |